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Table 4 Comparisons of pre- and post-test scores within the control and intervention groups and mean improvement comparisons between the groups

From: Integrating simulation training during clinical practice in nursing homes: an experimental study of nursing students’ knowledge acquisition, self-efficacy and learning needs

Control n = 38

Intervention n = 50

Mean improvement comparison between groupsa

 

Pre-test

Post-test

Mean diff.

95% CI

p

Pre-test

Post-test

Mean diff.

95% CI

p

p

gHedges

Lower

Upper

Lower

Upper

Knowledge (Mean (SD))

11.8 (3.9)

14.0 (4.1)

2.2 (3.5)

1.0

3.3

0.001

13.2 (4.1)

17.6 (3.6)

4.4 (3.8)

3.3

5.5

< 0.001

< 0.01

0.6

Self-efficacy (Mean (SD))

29.1 (3.8)

30.3 (3.5)

1.2 (4.0)

−0.1

2.5

0.08

28.2 (4.6)

28.9 (3.9)

0.7 (3.8)

−0.4

1.8

0.2

0.6

0.1

  1. SD standard deviation, Mean diff mean difference between pre- and posttest, CI confidence interval, p p-value; gHedges effect size
  2. aComparisons of mean difference from pre- to post- tests between the control and intervention groups